General Information:
Chemical Formula:
PbU++++++7O22·12(H2O)
Composition:
(Molecular Weight = 4,204.55 gm)
Holmium 47.07 % Ho
Uranium 39.63 % U
Lead 4.93 % Pb
Oxygen 8.37 % O
Empirical Formula:
PbU7O2212(HO)
Physical Properties:
Cleavage:
[001] Perfect
Color:
brownish yellow or yellow orange.
Density:
5.45
Diaphaniety:
Transparent to Translucent
Hardness:
3 - Calcite
Luster:
Adamantine
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